East of England
Trail Running Calendar East of England 2026-2027
Explore the best trail runs in East of England for 2026-2027! Our updated list features 179 exciting trail runs across the region. Find your next trail run in East of England below and join the trail community at these great events!
September 2026
Experience a scenic and exceptionally flat trail race along the Ouse Valley Way with marathon and half marathon options through the Huntingdonshire countryside.
A flat, mostly off road 10 km trail from Aylsham to Reepham through Norfolk countryside with start waves, water stations and a shuttle bus for runners.
Guided 10 km trail run at High Lodge in Thetford Forest with conversational pace, route tips, recommended trail shoes, and a chance to see woodland wildlife.
Free 5K social group run in Brandon on footpaths, dirt tracks and pavements passing local heritage sites; limited to 25 runners and family friendly.
Experience the scenic Hertfordshire countryside with the Chas Avis Harvest Trail, offering half and quarter marathon trail routes with chip timing and post race cake.
Guided trail runs at High Lodge in Thetford Forest offering 10k and 16k routes, paced groups, and woodland wildlife views across autumn and early winter 2026.
A five mile trail run on 24 September 2026 at The Viper in Mill Green near Ingatestone. Limited to over 18s with a small field; participants must be self sufficient with phone and headtorch and a tail runner is on course.
A Backyard Ultra in Welwyn Garden City where runners repeat a 4.167 mile loop each hour until one remains; entry includes drink vouchers and a commemorative pint glass.
Trail running at Billingford Lakes featuring an all off road 5.3 km out and back plus multi lap half and ultra options, parking included and bring your own cup for refills.
A half marathon around Sandringham Estate in September with chip timing, finisher medal, nearby parking, plus 5K and community mile options.
Rural chip timed 10k and 3k near Grantchester supporting Maggie’s and Addenbrooke’s Charitable Trust with medals, trophies and on site health services.
A community running event in Manuden on 27 September 2026 with 10k, 5k and 1k races, on-road starts then off-road bridleways, water stations and medals for finishers. Funds raised support Sands, St Clare Hospice and village organisations.
Timed multi lap event at Regatta Meadow in St Neots on a 5.3 km out and back course, offering distances from 5 km to ultra. Participants decide how many laps to run and all receive a finishers' medal.
October 2026
A 25 km EcoTrail event in Bell Common, Epping on 3 October 2026, listed as part of the 2026 events calendar.
Chelmsford Brew Co hosts a one-off 10 km trail run and a relaxed hike on 03 Oct 2026, with a finishers drink, crisps and a medal.
A five mile off-road trail at Cawston Park on 04/10/2026 supporting Norfolk Lowland Search and Rescue, with chip timing, on-site parking, and water stations.
Two multi-terrain community runs in Thompson offering 10 km and 5 km distances, medals and trophies, on-site facilities and proceeds supporting the local Millennium Green charity.
A chip timed five mile multi terrain race at Carlton Park with junior 1 km and 2 km fun runs plus age category and team prizes.
A 50 mile coastal ultramarathon along the Essex saltmarshes, starting at South Woodham Ferrers Rugby Club and finishing at Maldon Promenade Park. Fully supported with aid stations, GPX route files, a shuttle option and a 15 hour cut off.
A coastal LDWA walk from Walberswick Village Hall on 4 October 2026 offering 18 or 26 miles, currently full with a waiting list.